?? ????? ????????????7???
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????:1????????????:??????????
2??????????
3???????????
4?2021?????????
5????????
?8?????16??????? (?)?????????,??????????????????,??????????????????????????????????????,????????????????????????????2019?????????????????11.9%?9%?????18.7%,??????7?????,????
???????,?????,??4335???????????????,??????????262????????????16?????????,?????????,?10??
????,???????????????????????????????,????0.0016????0.01,??????????????1/3??1/10?
?????,?19??,?20%? ???:???